{ "cells": [ { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": true }, "outputs": [], "source": [ "from __future__ import division, print_function\n", "%matplotlib inline" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "# DNA microarray processing\n", "\n", "### Data in this example\n", "\n", "*Yeast microarrays for genome wide parallel genetic and gene\n", "expression analysis*\n", "\n", "\n", "\n", "Two-color fluorescent scan of a yeast microarray containing 2,479 elements\n", "(ORFs). The center-to-center distance between elements is 345 μm. A probe\n", "mixture consisting of cDNA from yeast extract/peptone (YEP) galactose (green\n", "pseudocolor) and YEP glucose (red pseudocolor) grown yeast cultures was\n", "hybridized to the array. Intensity per element corresponds to ORF expression,\n", "and pseudocolor per element corresponds to relative ORF expression between the\n", "two cultures. \n", "\n", "by Deval A. Lashkari, http://www.pnas.org/content/94/24/13057/F1.expansion\n", "\n", "
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